1XL4 Metal Transport date Sep 30, 2004
title Intermediate Gating Structure 1 Of The Inwardly Rectifying K Kirbac3.1
authors J.M.Gulbis, A.Kuo, B.Smith, D.A.Doyle, A.Edwards, C.Arrowsmith, M.
compound source
Molecule: Inward Rectifier Potassium Channel
Chain: A, B
Synonym: Inwardly Rectifying K+ Channel Kirbac3.1, Cog1226: K+ Transport Systems, Predicted Nad-Binding Component;
Engineered: Yes
Organism_scientific: Magnetospirillum Magnetotacticum
Organism_taxid: 188
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl-21(De3)Star
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-30a
symmetry Space Group: P 21 21 2
R_factor 0.226 R_Free 0.253
crystal
cell
length a length b length c angle alpha angle beta angle gamma
105.627 109.385 88.786 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand K, MG enzyme
related structures by homologous chain: 1XL6
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • inward rectifier potassium c...
  • voltage-gated ion channel ac...


  • Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk]
  • Biological Unit Coordinates (1xl4.pdb1.gz) 189 Kb
  • LPC: Ligand-Protein Contacts for 1XL4
  • CSU: Contacts of Structural Units for 1XL4
  • Likely Quarternary Molecular Structure file(s) for 1XL4
  • Structure Factors (261 Kb)
  • Retrieve 1XL4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XL4 from S2C, [Save to disk]
  • Re-refined 1xl4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1XL4 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1XL4
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1XL4, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1xl4a1, region A:139-299 [Jmol] [rasmolscript] [script source]
        - Domain d1xl4a2, region A:23-138 [Jmol] [rasmolscript] [script source]
        - Domain d1xl4b1, region B:139-299 [Jmol] [rasmolscript] [script source]
        - Domain d1xl4b2, region B:23-138 [Jmol] [rasmolscript] [script source]
  • Fold representative 1xl4 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1xl4_A] [1xl4_B] [1xl4]
  • SWISS-PROT database: [Q2W6R1]
  • Domain organization of [Q2W6R1_MAGSA] by SWISSPFAM
  • Other resources with information on 1XL4
  • Community annotation for 1XL4 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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